JP6332563B2 - 表示装置 - Google Patents
表示装置 Download PDFInfo
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- JP6332563B2 JP6332563B2 JP2017528697A JP2017528697A JP6332563B2 JP 6332563 B2 JP6332563 B2 JP 6332563B2 JP 2017528697 A JP2017528697 A JP 2017528697A JP 2017528697 A JP2017528697 A JP 2017528697A JP 6332563 B2 JP6332563 B2 JP 6332563B2
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- piezoelectric sheet
- piezoelectric
- display device
- optical compensation
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- 230000010287 polarization Effects 0.000 claims description 45
- 230000003287 optical effect Effects 0.000 claims description 36
- 238000001514 detection method Methods 0.000 claims description 27
- 239000004626 polylactic acid Substances 0.000 claims description 12
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 8
- 230000004048 modification Effects 0.000 description 12
- 238000012986 modification Methods 0.000 description 12
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 229920000123 polythiophene Polymers 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000005616 pyroelectricity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3083—Birefringent or phase retarding elements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
- H10N30/302—Sensors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/704—Piezoelectric or electrostrictive devices based on piezoelectric or electrostrictive films or coatings
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/857—Macromolecular compositions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/877—Conductive materials
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/877—Conductive materials
- H10N30/878—Conductive materials the principal material being non-metallic, e.g. oxide or carbon based
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133394—Piezoelectric elements associated with the cells
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Human Computer Interaction (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Liquid Crystal (AREA)
- Polarising Elements (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Position Input By Displaying (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
Description
11…圧電センサ
20…検出部
22…処理部
23…プログラム記憶部
30…表示パネル
40…表面パネル
45…タッチ式入力装置
47…処理装置
50…筐体
70…静電容量センサ
111…第1電極用フィルム
112…第1電極
113…圧電シート
113B…光学補償用圧電シート
114…第2電極
115…第2電極用フィルム
117…第3電極
301…表偏光板
302…液晶パネル
303…裏偏光板
304…バックライト
Claims (10)
- 一軸方向に延伸された圧電シートと、前記圧電シートに発生する電荷を検出する電極と、前記圧電シートの少なくとも一方側に配置され、前記一軸方向に対して交差する遅相軸を有し、前記圧電シートが一軸方向に延伸されることにより生じる位相差を光学的に補償する光学補償層と、を備える圧電センサと、
前記圧電センサの操作面側と逆の面に対面するように配置され、前記圧電センサの操作面側に配置された表偏光板をさらに備えた表示パネルと、
を備え、
前記表偏光板の偏光方向は、前記圧電シートの延伸方向に対して平行又は直交ではない表示装置。 - 前記表示パネルは、X軸及びY軸に平行な辺を持つ矩形の平板状であり、
前記表偏光板の偏光方向は、前記X軸又はY軸に対して平行であり
前記圧電シートの延伸方向は、前記X軸又はY軸に対して45度となる傾きであり、
前記光学補償層のリタデーション値は、前記圧電シートのリタデーション値に対して40%〜−30%の範囲内である請求項1に記載の表示装置。 - 前記光学補償層のリタデーション値は、圧電シートのリタデーション値に対して±30%の範囲内である請求項1に記載の表示装置。
- 前記遅相軸は、前記一軸方向に直交する請求項1乃至請求項3のいずれかに記載の表示装置。
- 前記圧電シートは、ポリ乳酸を含む請求項1乃至請求項4のいずれかに記載の表示装置。
- 前記電極は、電極用フィルムに形成され、
当該電極用フィルムが、前記光学補償層となっている請求項1乃至請求項5のいずれかに記載の表示装置。 - 前記操作面を備えたタッチパネルをさらに備える請求項1乃至請求項6のいずれかに記載の表示装置。
- 前記操作面に対する押圧操作により、前記圧電センサに発生する電荷を検出する検出部をさらに備える請求項1乃至請求項7のいずれかに記載の表示装置。
- 前記光学補償層の反対側に前記圧電シートを挟むように第2光学補償層が配置され、
前記第2光学補償層は、前記表偏光板の偏光方向と45度となる遅相軸を有する請求項2に記載の表示装置。 - 一軸方向に延伸された圧電シートと、前記圧電シートに発生する電荷を検出する電極と、前記圧電シートの少なくとも一方側に配置され、前記一軸方向に対して交差する遅相軸を有し、前記圧電シートのリタデーション値に対して±30%の範囲内であるリタデーション値を有する光学補償層と、を備える圧電センサと、
前記圧電センサの操作面側と逆の面に対面するように配置され、前記圧電センサの操作面側に配置された表偏光板をさらに備えた表示パネルと、
を備え、
前記表偏光板の偏光方向は、前記圧電シートの延伸方向に対して平行又は直交ではない表示装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015141551 | 2015-07-15 | ||
JP2015141551 | 2015-07-15 | ||
PCT/JP2016/070631 WO2017010495A1 (ja) | 2015-07-15 | 2016-07-13 | 圧電センサ、タッチパネル、タッチ式入力装置および表示装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017010495A1 JPWO2017010495A1 (ja) | 2018-03-29 |
JP6332563B2 true JP6332563B2 (ja) | 2018-05-30 |
Family
ID=57757375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017528697A Active JP6332563B2 (ja) | 2015-07-15 | 2016-07-13 | 表示装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10528202B2 (ja) |
JP (1) | JP6332563B2 (ja) |
CN (1) | CN207817659U (ja) |
WO (1) | WO2017010495A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5819548B2 (ja) * | 2013-02-01 | 2015-11-24 | 三井化学株式会社 | 表示装置及び積層光学フィルム |
AT521772B1 (de) * | 2018-10-29 | 2020-05-15 | Joanneum Res Forschungsgmbh | Sensorvorrichtung |
TWI743539B (zh) * | 2019-08-22 | 2021-10-21 | 友達光電股份有限公司 | 背光模組及其適用的顯示裝置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4997591B2 (ja) * | 2007-03-30 | 2012-08-08 | Nltテクノロジー株式会社 | タッチパネル付き液晶表示装置及び端末装置 |
JP2009169837A (ja) * | 2008-01-18 | 2009-07-30 | Fujitsu Component Ltd | タッチパネル付き液晶ディスプレイ |
JP5710449B2 (ja) | 2011-04-13 | 2015-04-30 | 株式会社ジャパンディスプレイ | 表示装置、駆動回路、駆動方法、および電子機器 |
JP5860980B2 (ja) * | 2013-02-01 | 2016-02-16 | 株式会社村田製作所 | 押圧センサ付き表示パネル、および押圧入力機能付き電子機器 |
JP6069500B2 (ja) * | 2013-05-27 | 2017-02-01 | 株式会社村田製作所 | 押圧センサ付き表示パネル、および押圧入力機能付き電子機器 |
KR101826402B1 (ko) * | 2013-07-04 | 2018-02-06 | 미쯔이가가꾸가부시끼가이샤 | 필름 및 고분자 압전 재료 |
JP2015095696A (ja) | 2013-11-11 | 2015-05-18 | 株式会社村田製作所 | 表示装置 |
-
2016
- 2016-07-13 CN CN201690001010.XU patent/CN207817659U/zh active Active
- 2016-07-13 WO PCT/JP2016/070631 patent/WO2017010495A1/ja active Application Filing
- 2016-07-13 JP JP2017528697A patent/JP6332563B2/ja active Active
-
2017
- 2017-12-01 US US15/828,988 patent/US10528202B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10528202B2 (en) | 2020-01-07 |
US20180101261A1 (en) | 2018-04-12 |
CN207817659U (zh) | 2018-09-04 |
WO2017010495A1 (ja) | 2017-01-19 |
JPWO2017010495A1 (ja) | 2018-03-29 |
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